Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail:									Walter.Albus@ndsu.edu
Table 1.  Strip-till, corn on corn nitrogen rate study at the Oakes Irrigation Research Site in 2012.
								NDRE		Soil Nitrate-N	Return to4
Fertilizer3	Grain	Harvest	Test	Mature	Chlorophyll Meter			Reading	Stalk	Fall	N Above
N Rate	Yield1	Moisture	Weight	Date	6-Aug	21-Aug		27-Jul	Nitrate-N	2012	Low N Rate
lb/ac	bu/ac	%	lb/bu						ppm	lb/ac	$
25	82.2	13.7	54.9	9/14	12.5	6.6		0.2611	56	13	$478
150d2	238.0	17.5	56.1	9/16	53.8	46.6		0.3709	68	15	$1,338
200d2	243.5	17.9	56.4	9/16	56.2	52.6		0.3781	641	38	$1,341
150	232.5	17.4	56.7	9/16	53.8	48.4		0.3814	117	16	$1,305
200	246.4	18.1	56.0	9/17	54.3	50.5		0.3774	375	35	$1,358
Mean	208.5	16.9	56.0	9/16	46.1	40.9		0.4	251.2	23.4	$1,164
CV%	4.4	3.5	1.8		3.9	5.7		2.5	102.0	54.2
LSD.05	14.2	0.9	1.5		2.8	3.6		0.0138	397.0	19.6
1Yield adjusted to 15.5% moisture.
245 lb N /ac of planting N applied as dribble treatment to the side of the row.
365 lb N/ac with pre-planting strip-till and or at planting. The remainder N sidedressed on June 6,
except for the 25 lb N/ac rate which was all applied pre planting strip-till and planting.
4Corn @$6.00/bu, N @ $.60/lb.
Detailed material and methods
Oakes Irrigation Research Site
Variety trials		Crop index		Home page		Report 2012
Other corn Studies 2012
Corn hybrid performance trial dry land
Corn hybrid performance trial irrigated
Corn row width hybrid study
Stover removal continous corn rotation
Stover removal corn soybean rotation
Strip-tilled corn N rate corn soybean rotation